Pith Number

pith:AM72IA4V

pith:2015:AM72IA4VD2EIX3ASRYY4UXDG5L

not attested not anchored not stored refs pending

Approximating Ground and Excited State Energies on a Quantum Computer

Anargyros Papageorgiou, Stuart Hadfield

arxiv:1508.01544 v1 · 2015-08-06 · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AM72IA4VD2EIX3ASRYY4UXDG5L}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:35:39.482669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

033fa403951e888bec128e31ca5c66eace14d64916b4f39da333abf507ea391a

Aliases

arxiv: 1508.01544 · arxiv_version: 1508.01544v1 · doi: 10.48550/arxiv.1508.01544 · pith_short_12: AM72IA4VD2EI · pith_short_16: AM72IA4VD2EIX3AS · pith_short_8: AM72IA4V

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/AM72IA4VD2EIX3ASRYY4UXDG5L \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 033fa403951e888bec128e31ca5c66eace14d64916b4f39da333abf507ea391a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "908e6d8eb5c06c253f052f2ed424116d77e2856d4ec9f1654902c1188e00214a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-08-06T21:33:28Z",
    "title_canon_sha256": "981357818932720aaef52d1e6a0988d9eab02527df916359b845a683fd16d1d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.01544",
    "kind": "arxiv",
    "version": 1
  }
}